Dr.G.I.P.De Silva
Department of Materials Science and
Engineering,
University of Moratuwa,
Katubedda, Sri Lanka.

+94 112640440 (Direct Line)
+94112650301 (Extension – 5129)

indikagip@uom.lk

    • Current Teaching Modules
    • Engineering Materials
    • Metal Forming and Machining
    • Metals and Alloys- II
    • Heat Treatments and Strengthening Mechanisms of Metals
  • Properties of Materials
    • Research Interests
    • Design and processing of alloy steel for specific applications
      Chemical modifications, Heat treatments and Strengthening mechanisms
    • Analysis of microstructure and mechanical properties of age hardenable Aluminum
      alloys
    • Characterization of Oxide Superconductor Thin Films
    • Deposition of Oxide Superconductor Thin Films by Pulsed Laser Deposition (PLD) technique
    • Fabrication of Zinc Oxide Nanostructures for highly efficient dye sensitized solar cell
  • Surface Quality enhancement of nonferrous Foundry products

Improving the Surface Hardness of a Steel Die used for Aluminum Extrusion by optimizing the Nitriding Process.

Study of the Effects of Two Step Age Hardening Process on Mechanical Properties of Aluminum 6063-T6 Alloy.

Enhancement of Mechanical Properties of Aluminum 6063 T6 by modifying the
Chemical Composition.

Enhancing the Hardness of Spheroidal Graphite Cast Iron Exclusively by Heat
Treatments.

Quality Enhancement of Foundry Products with a Reduced Cost by Using
Synthetically Unmodified Sand.

Application of Solid-State Lasers to Fabricate Oxide Superconductor Films for Wire Processing.

Surface Roughness Measurement of Castings using Ultrasonic Echo Amplitude
Technique.

Ph.D., Dept. of Environmental System Eng., Kochi University of Technology,Japan
(Date of Award: 2009/09/30).
Dissertation: “Application of Solid-State Laser to Preparation of Oxide Superconductor Films: Texture Analysis and Critical-Current Performance for
Wire Processing”

M. Phil., Dept. of Materials Science & Eng., University of Moratuwa, Sri Lanka (Date of Award: 2006/08/01).
Dissertation: “Enhancement of Surface Quality of Brass Castings Cost Effectively Using Naturally Available Sand and Clay Available in Sri Lanka”

B.Sc. Eng. (Second Class-Upper Division), Dept. of Materials Science & Eng.,University of Moratuwa, Sri Lanka (Date of Award: 2003/08/01).

AFFILIATIONS

Associate Member, Institution of Engineers, Sri Lanka (IESL)

Committee Member, Foundry Development & Services Institute (FDSI)

Secretary, Society of Materials Engineers, Sri Lanka (SOMESL)

Staff adviser of the Engineering Faculty Student’s Union, University of Moratuwa

De Silva G.I.P. and Maeda T., “Pulsed Laser Deposition of Oxide Superconductor Films Using Fourth Harmonics of Nd:YAG Laser at 266 nm”, Journal of Materials Science and Technology, Vol.46 No.5, 34, (2009) Japan.

De Silva G.I.P., Maeda T., Horii S., Ichino Y. and Yoshida Y., “Application of Nd:YAG Laser to Fabricate Oxide Superconductor Films for Coated Conductors”, Journal of Physics: European Conference on Superconductivity (EUCAS 2009), Conference Series 234 (2010) 022006, Germany.

De Silva G.I.P., Perera A., Kodikara N and De Silva A., “Improving the Mechanical
Properties of Aluminum 6063 Structural Items by Varying the Chemical Composition” International Conference on Environmentally Friendly Civil Engineering Construction and Materials, Manado(2014) Indonesia.

Hou S. W., Li X., Li C. Y., De Silva G. I. P., “Growth of Controllable ZnO Nanorods by Chemical Bath Deposition” International Union of Materials Research Societies, International Conference in Asia IUMRS-ICA 2015, Fukoka, (2015) Japan.

De Silva G.I.P. and Munasinghe N., “Quality Enhancement of Foundry Products-a Case
Study of Foundry Industry of Sri Lanka”, Engineer, VO:XXXVIII, NO:01, Institution of Engineers, Sri Lanka (IESL), (2005) Sri Lanka.

De Silva G.I.P. and Perera W.C., “Improvement of the Mechanical Properties of Aluminum 6063 T5 Extrudates by Varying the Aging Condition Cost-Effectively” South Asian Institute of Technology and Medicine (SAITM) research symposium on advancement of science, (2012) Sri Lanka.

De Silva G.I.P. and Munasinghe N., “Surface Roughness Measurement of Castings usingUltrasonic Echo Amplitude Technique”, 11th Annual Symposium, Engineering ResearchUnit (ERU), University of Moratuwa, (2005) Sri Lanka.

De Silva G.I.P, Perera R.A.D and Ranasinghe P.V.S.K “Study of the Effects of Two StepAge Hardening Process on Mechanical Properties of Aluminum 6063-T6 Alloy”, 19thAnnual Symposium, Engineering Research Unit (ERU), University of Moratuwa, (2013) SriLanka.

De Silva G.I.P., Ranasinghe P.V.S.K. and Perera R.A.D., “Enhancement of Hardness of Aluminum 6063-T6 Alloy by Applying Two Step Age Hardening Process”, KDU International Research Symposium, Kotelawala Defense University, (2014) Sri Lanka.

CONFERENCE PRESENTATIONS

De Silva G.I.P, Maeda T., “Texture Analysis of (Y,Ho)Ba2Cu3Oz (z~7) Films Prepared bymeans of Pulsed-Laser-Deposition Method”, 20th International Symposium on Superconductivity, Tsukuba, Japan, November 5-7, 2007.

De Silva G.I.P, Maeda T., “Surface Morphology Analysis of (Y,Ho)Ba2Cu3Oz (z~7) Thin Films with respect to the Energy Density of Nd:YAG Laser at 266nm”, Applied Superconductivity Conference, Chicago, USA, August 17-22, 2008.

De Silva G.I.P, Maeda T., “Analysis of Texture Quality and Current Characteristics of (Y,Ho)Ba2Cu3Oz (z~7) Thin Films Produced By Pulsed Laser Deposition Method”, International Union of Materials Research Societies (IUMRS) Conference, Nagoya, Japan, December 9-13, 2008.

De Silva G.I.P, Maeda T., “Enhancement of Texture Quality of (Eu,Gd)Ba2Cu3Oz (z~7) Films Prepared by means of Pulsed-Laser-Deposition Method”, 21st International Symposium on Superconductivity, Tsukuba, Japan, October 27-29, 2008.

De Silva G.I.P, Maeda T., “Characterization of (Eu,Gd)Ba2Cu3Oz Films Fabricated by Forth Harmonic Nd:YAG Pulsed Laser Deposition”, Cryogenic Society of Japan (CSJ) Conference, Vaseda, Japan, May 13-15, 2009.

Maeda T., De Silva G.I.P, “Preparation of (Y,Ho)Ba2Cu3Oz (z≈7) thin films by pulsed-laser-deposition method”, The 68th Autumn Meeting, The Japan Society of Applied Physics (September 4-8, 2007, Hokkaido Inst. Tech., Sapporo, Japan).

Maeda T., De Silva G.I.P, Kagawa Y., “Preparation of (Y,Ho)Ba2Cu3Oz films by pulsed laser deposition method using Nd:YAG laser”, The 77th CSJ Conference, Cryogenic Society of Japan (November 20-22, 2007, Miyagi Prefectural Auditorium, Sendai, Japan).

Maeda T., De Silva G.I.P, “Characterization of (Y,Ho)Ba2Cu3Oz films prepared by pulsed-laser-deposition method using Nd:YAG laser”, The 55th Spring Meeting, The Japan Society of Applied Physics and Related Societies (March 27-30, 2008, Nihon Univ., Funabashi, Japan).

Kanai K., De Silva G.I.P, Maeda T., “Preparation of (Eu,Er)Ba2Cu3Oz films by pulsed laser deposition (PLD) method using Nd:YAG laser”, The 79th CSJ Conference, Cryogenic Society of Japan (November 12-14, 2008, Kochi City Culture Plaza, Kochi, Japan).

Maeda T., De Silva G.I.P, Kanai K., “Preparation and characterization of REBa2Cu3Oz films containing two rare-earth elements (RE: Y or rare-earth element)”, The 47 th Symposium on Basic Science of Ceramics, Basic Science Division, The Ceramic Society of Japan (January 8-9, 2009, Osaka International Convention Center, Osaka, Japan).

Maeda T., De Silva G.I.P, Kanai K., “Prepation of (Y,Ho)Ba2Cu3Oz films on SrTiO3 by means of pulsed-laser-deposition method using Nd:YAG laser”, The 56th Spring Meeting, The Japan Society of Applied Physics and Related Societies (March 30-April 2, 2009, Tsukuba Univ., Tsukuba, Japan).

PATENTS

Novel Foundry Sand Formulation for the Production of High Quality Non-Ferrous Castings in an Economical Way. Patent No: 16069, International Patent Classification (IPC): B 22C 1/00

Novel Method to Measure the Surface Roughness of Castings Using Ultrasonic Echo Amplitude Technique. (Under review)